Question

(х+2)=(2х+6)=

Answer 1

Так как основания логарифмов одинаковые то мы можем их отбросить 
х+2=2х+6
х=-4

Answer 2

I'm sorry, but the equation you provided is incomplete or incorrect.

An equation typically includes an equals sign (=) and expresses the equality between two mathematical expressions.

If you could provide me with the complete and correct equation, I would be happy to help you solve it.